<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h2>登录页面</h2>
<div>
    <label>
        <input type="text" v-model="user.username" placeholder="输入用户名">
    </label><br>
    <label>
        <input type="password" v-model="user.password" placeholder="输入密码">
    </label><br>
    <input type="button" @click="login()" value="登录">
</div>
<script src="js/vue.js"></script>
<script src="js/axios.min.js"></script>
<script>
    let v = new Vue({
        el: "div",
        data: {
            user: {
                username: "",
                password: ""
            }
        },
        methods: {
            login() {
                // 发出异步post请求
                axios.post("/login", v.user).then(function (response) {
                    if (response.data == 1) {
                        alert("登录成功!")
                        location.href = "/";
                    } else if (response.data == 2) {
                        alert("密码错误,请重新输入!");
                    } else {
                        alert("用户不存在,请输入正确的用户名!");
                    }
                });
            }
        }
    })
</script>
</body>
</html>